TM 5-3825-229-14&P
Table 3-1. Operator Troubleshooting Table (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PUMP (cont)
17.
LEAKAGE AROUND THE PUMP SHAFT WHILE PUMPING
Notify Organizational Maintenance.
18.
SUDDENLY STOPS PUMPING
Step 1.
Check the pump intake suction line for air leaks.
a.
If there are no air leaks, proceed with troubleshooting the pump.
b.
If an air leak is found, notify Organizational Maintenance.
Step 2.
Inspect pump intake strainer for blockage. Remove suction port cap and visually inspect
strainer with flashlight.
a.
If the pump intake strainer is not clogged, replace the suction port cap and go to Step 3.
b.
If the intake strainer is clogged, remove it by reaching into the suction port and pulling on
it. After cleaning, replace it and the suction port cap and try to resume normal
operations.
c.
If the pump still will not operate properly go to Step 3.
Step 3.
Check to see that the suction hose intake at the foot valve is not clogged.
a.
If the foot valve is clogged, clean the assembly before replacing it into the water. The
foot valve assembly can be unscrewed from the suction hose if required for proper
cleaning.
b.
If the pump still will not operate properly, notify Organizational Maintenance.
19.
STOPS PUMPING UNTIL ENGINE IS STOPPED AND RESTARTED
Step 1.
Inspect pump intake strainer for blockage. Remove suction port cap and visually inspect
strainer with flashlight.
a.
If the pump intake strainer is not clogged, replace the suction port cap and go to Step 2.
b.
If the intake strainer is clogged, remove it by reaching into the suction port and pulling on
it. After cleaning, replace it and the suction port cap and try to resume normal
operations.
c.
If the pump still will not operate properly, go to Step 2.
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